Rockwell Automation 1791-32AO SERIES B 32 Input AC Block I/O Module User Manual

Page 6

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background image

SW1

SW2

Open cover to
access switches

1

30

Position = 1

Position = 0

End View

1

30

8

7
6
5

4

3

2
1

0

1

8

7
6
5

4

3

2
1

0

1

NOTE:

Set switch SW2–3 to 0 if this rack
will have a unique address (not
complemented). If this rack address
is a duplicate of another I/O block
or chassis, set the switch to 1 for
primary or 0 for complementary.
Refer to Table C for the
complementary I/O rack address.

Default Switch

Settings = 0

ATTENTION: Cycle power to the module after
setting the switches.

Only block I/O modules with all inputs or all
outputs can use complementary I/O.

Installation Instructions
Block I/O
Cat. No. 1791-32A0 Series B

6

Figure 6
Switch Settings

SW2–8

Not used

SW2–7

Not Used

SW2–6

Last I/O Group

(PLC-2 only)

0

Not last rack

1

Last rack

SW2–5

Processor

Restart/Lockout (PRL)

0

Processor Restart

1

Processor Lockout

SW2–4

Hold Last State

0

Reset Outputs

1

Hold Last State

SW2–3

Complementary I/O

1

0

Non-Complemented System

0

Complementary Rack

1

1

Primary Rack

1

1

See note.

Communication Rate

SW2–2

SW2–1

Bits/s

0

0

57.6 K

0

1

115.2 K

1

0

230.4 K

1

1

230.4 K

Starting Quarter

SW1–2

SW1–1

Module

Group

0

0

0 (1st)

0

1

2 (2nd)

1

0

4 (3rd)

1

1

6 (4th)

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